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sec

sec(x)

Compute the secant of x, where x is in radians

Examples

julia> sec(0)
1.0

julia> sec(pi/3)
2.0000000000000004

julia> sec(pi/2)
6.123233995736766e-17

julia> sec(pi)
-1.0

Compute the secant of 0:
```
julia> sec(0)
1.0
```
The secant of 0 is 1.
Compute the secant of π/3:
```
julia> sec(pi/3)
2.0000000000000004
```
The secant of π/3 is approximately 2.
Compute the secant of π/2:
```
julia> sec(pi/2)
6.123233995736766e-17
```
The secant of π/2 is a very small value close to zero due to floating-point precision limitations.
Compute the secant of π:
```
julia> sec(pi)
-1.0
```
The secant of π is -1.

Note: The secant function operates on radians, so make sure to convert angles from degrees to radians if needed.

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